Reproduction control of reproduction apparatus base on remaining power of battery

Abstract

A reproduction apparatus includes a reproduction unit that reproduces digital data selected by a user; a prediction unit that predicts a reproducible time based on remaining power of a battery and a determination unit that determines whether the digital data selected by the user can be reproduced to the end or not based on the reproducible time, wherein when the determination unit determines that the selected digital data can be reproduced to the end, the reproduction apparatus causes the reproduction unit to reproduce the selected digital data and when the determination unit determines that the selected digital data cannot be reproduced to the end, the reproduction apparatus warns that the digital data cannot be reproduced to the end.

1. A reproduction apparatus comprising:
 a reproduction unit that reproduces digital data selected by a user from a storage medium; 
 a detection unit that detects a reproducible time based on remaining power of a battery; and 
 a determination unit that determines whether the selected digital data can be reproduced to the end or not based on the reproducible time detected by the detection unit, before the reproduction unit starts reproducing the selected data, 
 wherein if it is determined by the determination unit that the selected digital data can be reproduced to the end, the reproduction apparatus causes the reproduction unit to reproduce the selected digital data, 
 if it is determined by the determination unit that the selected digital data cannot be reproduced to the end, the reproduction apparatus warns that the selected digital data cannot be reproduced to the end, and 
 if it is determined by the determination unit that the selected digital data cannot be reproduced to the end, the reproduction apparatus causes the user to select whether or not to reproduce the selected digital data. 
 
     
     
       2. The reproduction apparatus according to  claim 1 , wherein the digital data includes at least one of video data and audio data. 
     
     
       3. A non-transitory storage medium that stores a program for causing a computer to act as the reproduction apparatus according to  claim 1 . 
     
     
       4. A reproduction apparatus comprising:
 a reproduction unit that reproduces digital data selected by a user from a storage medium; 
 a detection unit that detects a reproducible time based on remaining power of a battery; and 
 a determination unit that determines whether the selected digital data can be reproduced to the end or not based on the reproducible time detected by the detection unit, before the reproduction unit starts reproducing the selected data, 
 wherein if it is determined by the determination unit that the selected digital data can be reproduced to the end, the reproduction apparatus causes the reproduction unit to reproduce the selected digital data, 
 if it is determined by the determination unit that the selected digital data cannot be reproduced to the end, the reproduction apparatus warns that the selected digital data cannot be reproduced to the end, 
 if it is determined by the determination unit that the selected digital data cannot be reproduced to the end, the reproduction apparatus causes the user to select one of first and second reproduction modes, 
 if the first reproduction mode is selected by the user, the reproduction apparatus causes the reproduction unit to reproduce the selected digital data, and 
 if the second reproduction mode is selected by the user, the reproduction apparatus causes the reproduction unit to reproduce summary data including a summary of the selected digital data. 
 
     
     
       5. The reproduction apparatus according to  claim 4 , wherein if it is determined based on the reproducible time detected by the detection unit that the summary data cannot be reproduced to the end, the reproduction apparatus re-creates new summary data. 
     
     
       6. The reproduction apparatus according to  claim 4 , wherein if the second reproduction mode is selected by the user, the reproduction apparatus causes the user to select one of summary methods and creates the summary data based on the summary method selected by the user. 
     
     
       7. The reproduction apparatus according to  claim 4 , wherein the digital data includes at least one of video data and audio data. 
     
     
       8. A non-transitory storage medium that stores a program for causing a computer to act as the reproduction apparatus according to  claim 4 . 
     
     
       9. A method for controlling a reproduction apparatus including a reproduction unit that reproduces digital data selected by a user from a storage medium, the method comprising:
 a detecting step of detecting a reproducible time based on remaining power of a battery; 
 a determining step of determining whether the selected digital data can be reproduced to the end or not based on the reproducible time detected in the detecting step, before the reproduction unit starts reproducing the selected digital data; 
 a step of causing the reproduction unit to reproduce the selected digital data if it is determined in the determining step that the selected digital data can be reproduced to the end; 
 a step of warning that the selected digital data cannot be reproduced to the end if it is determined in the determining step that the selected digital data cannot be reproduced to the end; and 
 a step of causing the user to select whether to reproduce the digital data if it is determined in the determining step that the selected digital data cannot be reproduced to the end. 
 
     
     
       10. The method according to  claim 9 , wherein the digital data includes at least one of video data and audio data. 
     
     
       11. A method for controlling a reproduction apparatus including a reproduction unit that reproduces digital data selected by a user from a storage medium, the method comprising:
 a detecting step of detecting a reproducible time based on remaining power of a battery; 
 a determining step of determining whether the selected digital data can be reproduced to the end or not based on the reproducible time detected in the detecting step, before the reproduction unit starts reproducing the selected digital data; 
 a step of causing the reproduction unit to reproduce the selected digital data if it is determined in the determining step that the selected digital data can be reproduced to the end; 
 a step of warning that the selected digital data cannot be reproduced to the end if it is determined in the determining step that the selected digital data cannot be reproduced to the end; 
 a step of causing the user to select one of first and second reproduction modes if it is determined in the determining step that the selected digital data cannot be reproduced to the end; 
 a step of causing the reproduction unit to reproduce the selected digital data if the user selects the first reproduction mode; and 
 a step of causing the reproduction unit to reproduce summary data including a summary of the selected digital data if the user selects the second reproduction mode. 
 
     
     
       12. The method according to  claim 11 , further comprising
 a step of re-creating new summary data if it is determined based on the reproducible time detected by the detecting step that the summary data cannot be reproduced to the end. 
 
     
     
       13. The method according to  claim 11 , further comprising the steps of:
 causing the user to select one of summary methods if the second reproduction mode is selected by the user; and 
 creating the summary data based on the summary method selected by the user. 
 
     
     
       14. The method according to  claim 11 , wherein the digital data includes at least one of video data and audio data. 
     
     
       15. A non-transitory storage medium that stores a program for causing a computer to execute a method for controlling the computer, the method comprising:
 a step of causing a reproduction unit to reproduce digital data selected by a user from a storage medium; 
 a detecting step of detecting a reproducible time based on remaining power of a battery; 
 a determining step of determining whether the selected digital data can be reproduced to the end or not based on the reproducible time detected in the detecting step, before the reproduction unit starts reproducing the selected digital data; 
 a step of causing the reproduction unit to reproduce the selected digital data if it is determined in the determining step that the selected digital data can be reproduced to the end; 
 a step of warning that the selected digital data cannot be reproduced to the end if it is determined in the determining step that the selected digital data cannot be reproduced to the end; and 
 a step of causing the user to select whether to reproduce the digital data if it is determined in the determining step that the selected digital data cannot be reproduced to the end. 
 
     
     
       16. The non-transitory storage medium according to  claim 15 , wherein the digital data includes at least one of video data and audio data. 
     
     
       17. A non-transitory storage medium that stores a program for causing a computer to execute a method for controlling the computer, the method comprising:
 a step of causing a reproduction unit to reproduce digital data selected by a user from a storage medium; 
 a detecting step of detecting a reproducible time based on remaining power of a battery; 
 a determining step of determining whether the selected digital data can be reproduced to the end or not based on the reproducible time detected in the detecting step, before the reproduction unit starts reproducing the selected digital data; 
 a step of causing the reproduction unit to reproduce the selected digital data if it is determined in the determining step that the selected digital data can be reproduced to the end; 
 a step of warning that the selected digital data cannot be reproduced to the end if it is determined in the determining step that the selected digital data cannot be reproduced to the end; 
 a step of causing the user to select one of first and second reproduction modes if it is determined in the determining step that the selected digital data cannot be reproduced to the end; 
 a step of causing the reproduction unit to reproduce the selected digital data if the user selects the first reproduction mode; and 
 a step of causing the reproduction unit to reproduce summary data including a summary of the selected digital data if the user selects the second reproduction mode. 
 
     
     
       18. The non-transitory storage medium according to  claim 17 , the method further comprising a step of re-creating new summary data if it is determined based on the reproducible time detected by the detecting step that the summary data cannot be reproduced to the end. 
     
     
       19. The non-transitory storage medium according to  claim 17 , the method further comprising the steps of:
 causing the user to select one of summary methods if the second reproduction mode is selected by the user; and 
 creating the summary data based on the summary method selected by the user. 
 
     
     
       20. The non-transitory storage medium according to  claim 17 , wherein the digital data includes at least one of video data and audio data.